Build (method = -2) #dp: 3548 Step-3' Graph: 114 vertices and 359 arcs (0.01s) Step-4' Graph: 29 vertices and 189 arcs (0.01s) #V4/#V3 = 0.25 #A4/#A3 = 0.53 Ready! (0.01s) Optimize a model with 110 rows, 190 columns and 517 nonzeros Presolve removed 27 rows and 28 columns Presolve time: 0.00s Presolved: 83 rows, 162 columns, 436 nonzeros Variable types: 0 continuous, 162 integer (0 binary) Found heuristic solution: objective 2.850000e+08 Optimize a model with 83 rows, 162 columns and 436 nonzeros Presolved: 83 rows, 162 columns, 436 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.430e+02 Factor NZ : 1.138e+03 Factor Ops : 2.322e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.80972421e+08 -9.02172769e+09 9.27e+09 2.22e-16 1.47e+08 0s 1 3.29086822e+08 -2.54014847e+09 1.75e+09 1.11e-15 2.78e+07 0s 2 2.85743875e+08 -4.26183081e+08 3.21e+07 7.77e-16 2.16e+06 0s 3 2.84803665e+08 -2.32760953e+07 1.05e+06 2.78e-16 8.15e+05 0s 4 2.82051223e+08 1.93922181e+08 6.62e+02 3.05e-16 2.32e+05 0s 5 2.51762075e+08 2.22395685e+08 1.06e+01 1.46e-16 7.73e+04 0s 6 2.50105343e+08 2.49931072e+08 2.98e-07 1.43e-16 4.59e+02 0s 7 2.50000001e+08 2.49999998e+08 8.94e-08 3.81e-10 4.70e-03 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 2.50000001e+08 Warning: Markowitz tolerance tightened to 0.5 Root relaxation: objective 2.500000e+08, 160 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 2.500000e+08 2.5000e+08 0.0% - 0s Explored 0 nodes (160 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.500000000000e+08, best bound 2.500000000000e+08, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 250000000 Solution: 10000000 x [22, 81] 8000000 x [32, 80] 1000000 x [17, 80] 1000000 x [12, 79] 6000000 x [13, 78] 1000000 x [12, 78] 5000000 x [34, 77] 1000000 x [11, 77] 8000000 x [36, 76] 1000000 x [11, 76] 8000000 x [21, 75] 1000000 x [11, 75] 4000000 x [5, 74] 10000000 x [6, 73] 7000000 x [24, 72] 1000000 x [9, 72] 6000000 x [38, 71] 2000000 x [28, 71] 4000000 x [2, 70] 5000000 x [19, 69] 9000000 x [23, 68] 1000000 x [4, 68] 5000000 x [44, 67] 5000000 x [14, 66] 1000000 x [47, 65] 3000000 x [45, 65] 11000000 x [37, 64] 6000000 x [47, 63] 2000000 x [50, 62] 5000000 x [48, 62] 1000000 x [51, 61] 9000000 x [16, 61] 3000000 x [51, 60] 7000000 x [53, 59] 2000000 x [50, 59] 3000000 x [51, 58] 1000000 x [54, 57] 1000000 x [52, 57] 1000000 x [47, 57] 4000000 x [52, 56] 6000000 x [54, 55] 6000000 x [43, 49] 4000000 x [8, 46] 1000000 x [4, 46] 9000000 x [35, 42] 1000000 x [4, 42] 5000000 x [39, 41] 7000000 x [18, 40] 1000000 x [9, 40] 6000000 x [15, 33] 1000000 x [12, 33] 1000000 x [17, 31] 5000000 x [29, 30] 5000000 x [20, 27] 6000000 x [7, 26] 9000000 x [10, 25] 1000000 x [7, 17] 6000000 x [1, 3]